/* =========================
   demo.css
   ========================= */

.demo-page {
    position: relative;
    padding: clamp(1.5rem, 2.5vw, 2.5rem) 0 clamp(5rem, 8vw, 8.5rem);
    overflow: clip;
}

.demo-page::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 10% 14%, rgba(118, 134, 154, 0.10), transparent 22%),
        radial-gradient(circle at 86% 12%, rgba(255, 255, 255, 0.68), transparent 24%),
        radial-gradient(circle at 82% 84%, rgba(118, 134, 154, 0.08), transparent 22%);
    pointer-events: none;
}

.demo-page::after {
    content: "";
    position: absolute;
    inset: 8rem 0 auto;
    height: 28rem;
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.06) 0%,
        rgba(255, 255, 255, 0) 100%
    );
    pointer-events: none;
}

.demo-page__inner {
    position: relative;
    z-index: 1;
    width: var(--container-wide);
    margin: 0 auto;
    display: grid;
    gap: clamp(1.4rem, 2vw, 2rem);
}


/* =========================
   Shared
   ========================= */

.demo-page__eyebrow,
.demo-page__intro-eyebrow,
.demo-preview__eyebrow,
.demo-page__cta-eyebrow {
    display: inline-flex;
    align-items: center;
    justify-self: start;
    gap: 0.55rem;
    min-height: 2.25rem;
    padding: 0.5rem 0.9rem;
    border: 1px solid rgba(125, 139, 156, 0.14);
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.68);
    box-shadow: 0 12px 30px rgba(27, 37, 48, 0.05);
    color: #566273;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.13em;
    text-transform: uppercase;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.demo-page__eyebrow::before,
.demo-page__intro-eyebrow::before,
.demo-preview__eyebrow::before,
.demo-page__cta-eyebrow::before {
    content: "";
    width: 0.44rem;
    height: 0.44rem;
    border-radius: 50%;
    background: linear-gradient(180deg, #aab4c0 0%, #6d7886 100%);
    box-shadow: 0 0 0 0.32rem rgba(125, 139, 156, 0.12);
    flex-shrink: 0;
}

.demo-page__title,
.demo-page__intro-title,
.demo-preview__title,
.demo-page__cta-title {
    color: #161d26;
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 0.98;
    letter-spacing: -0.04em;
    text-wrap: balance;
}

.demo-page__text,
.demo-page__intro-text,
.demo-preview__text,
.demo-page__cta-text,
.demo-feature-card__text {
    color: #5f6a77;
    font-size: clamp(0.98rem, 0.94rem + 0.18vw, 1.05rem);
    line-height: 1.9;
}


/* =========================
   Hero
   ========================= */

.demo-page__hero {
    position: relative;
    display: grid;
    gap: 1.25rem;
    padding: clamp(1.4rem, 2.2vw, 1.9rem);
    border: 1px solid rgba(125, 139, 156, 0.16);
    border-radius: clamp(1.8rem, 2.8vw, 2.8rem);
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.84) 0%, rgba(245, 246, 248, 0.68) 100%);
    box-shadow:
        0 26px 70px rgba(27, 37, 48, 0.09),
        inset 0 1px 0 rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    overflow: hidden;
    isolation: isolate;
}

.demo-page__hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 14% 18%, rgba(255, 255, 255, 0.92), transparent 22%),
        radial-gradient(circle at 88% 76%, rgba(118, 134, 154, 0.09), transparent 28%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0));
    pointer-events: none;
    z-index: 0;
}

.demo-page__hero::after {
    content: "";
    position: absolute;
    right: clamp(1rem, 2vw, 1.8rem);
    top: clamp(1rem, 2vw, 1.8rem);
    width: clamp(7rem, 16vw, 12rem);
    aspect-ratio: 1;
    border-radius: 50%;
    background:
        radial-gradient(circle, rgba(255, 255, 255, 0.8) 0%, rgba(255, 255, 255, 0) 68%);
    filter: blur(8px);
    pointer-events: none;
    z-index: 0;
}

.demo-page__hero > * {
    position: relative;
    z-index: 1;
}

.demo-page__title {
    max-width: 13ch;
    font-size: clamp(2.2rem, 4.5vw, 4.8rem);
}

.demo-page__text {
    max-width: 58ch;
}


/* =========================
   Intro
   ========================= */

.demo-page__intro {
    position: relative;
}

.demo-page__intro-content {
    display: grid;
    gap: 1rem;
    width: min(100%, 64rem);
    margin: 0 auto;
    padding: clamp(0.85rem, 1.2vw, 1.2rem) 0;
    text-align: center;
    justify-items: center;
}

.demo-page__intro-eyebrow {
    justify-self: center;
}

.demo-page__intro-title {
    max-width: 20ch;
    font-size: clamp(1.95rem, 3vw, 3.35rem);
}

.demo-page__intro-text {
    max-width: 70ch;
}


/* =========================
   Features
   ========================= */

.demo-features {
    position: relative;
}

.demo-features__grid {
    display: grid;
    gap: clamp(1rem, 1.5vw, 1.25rem);
    grid-template-columns: 1fr;
}

.demo-feature-card {
    position: relative;
    min-width: 0;
    padding: 1.25rem 1.15rem 1.3rem;
    border: 1px solid rgba(125, 139, 156, 0.15);
    border-radius: clamp(1.35rem, 2vw, 1.85rem);
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.82) 0%, rgba(244, 246, 249, 0.64) 100%);
    box-shadow:
        0 18px 48px rgba(27, 37, 48, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    overflow: hidden;
    isolation: isolate;
    transition:
        transform var(--transition),
        border-color var(--transition),
        box-shadow var(--transition);
}

.demo-feature-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 14% 18%, rgba(255, 255, 255, 0.78), transparent 24%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0));
    pointer-events: none;
    z-index: 0;
}

.demo-feature-card::after {
    content: "";
    position: absolute;
    inset: auto 0 0 0;
    height: 1px;
    background: linear-gradient(
        90deg,
        rgba(125, 139, 156, 0) 0%,
        rgba(125, 139, 156, 0.18) 18%,
        rgba(125, 139, 156, 0.18) 82%,
        rgba(125, 139, 156, 0) 100%
    );
    pointer-events: none;
    z-index: 0;
}

.demo-feature-card:hover {
    transform: translateY(-6px);
    border-color: rgba(125, 139, 156, 0.22);
    box-shadow:
        0 28px 64px rgba(27, 37, 48, 0.10),
        inset 0 1px 0 rgba(255, 255, 255, 0.94);
}

.demo-feature-card__title,
.demo-feature-card__text {
    position: relative;
    z-index: 1;
}

.demo-feature-card__title {
    position: relative;
    padding-left: 1rem;
    color: #161d26;
    font-family: var(--font-serif);
    font-size: clamp(1.35rem, 1.2rem + 0.55vw, 1.8rem);
    font-weight: 600;
    line-height: 1.08;
    letter-spacing: -0.03em;
}

.demo-feature-card__title::before {
    content: "";
    position: absolute;
    top: 0.42rem;
    left: 0;
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: linear-gradient(180deg, #aab4c0 0%, #6d7886 100%);
    box-shadow: 0 0 0 0.28rem rgba(125, 139, 156, 0.12);
}

.demo-feature-card__text {
    margin-top: 0.75rem;
}


/* =========================
   Preview
   ========================= */

.demo-preview {
    position: relative;
    display: grid;
    gap: clamp(1.4rem, 2vw, 2rem);
    padding: clamp(1.35rem, 2vw, 1.8rem);
    border: 1px solid rgba(125, 139, 156, 0.16);
    border-radius: clamp(1.8rem, 2.8vw, 2.8rem);
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.84) 0%, rgba(245, 246, 248, 0.68) 100%);
    box-shadow:
        0 26px 70px rgba(27, 37, 48, 0.09),
        inset 0 1px 0 rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    overflow: hidden;
    isolation: isolate;
}

.demo-preview::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 16% 18%, rgba(255, 255, 255, 0.9), transparent 22%),
        radial-gradient(circle at 86% 82%, rgba(118, 134, 154, 0.09), transparent 26%);
    pointer-events: none;
    z-index: 0;
}

.demo-preview__content,
.demo-preview__placeholder {
    position: relative;
    z-index: 1;
    min-width: 0;
}

.demo-preview__content {
    display: grid;
    gap: 1rem;
    align-content: center;
    width: min(100%, 36rem);
}

.demo-preview__title {
    max-width: 14ch;
    font-size: clamp(2rem, 3.4vw, 3.5rem);
}

.demo-preview__text {
    max-width: 56ch;
}

.demo-preview__placeholder {
    position: relative;
    display: flex;
}

.demo-preview__placeholder-box {
    position: relative;
    width: 100%;
    min-height: clamp(22rem, 44vw, 33rem);
    display: grid;
    place-items: center;
    padding: 1.2rem;
    border: 1px solid rgba(125, 139, 156, 0.16);
    border-radius: clamp(1.4rem, 2vw, 2rem);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.74) 0%, rgba(242, 245, 248, 0.94) 100%);
    box-shadow:
        0 24px 56px rgba(27, 37, 48, 0.10),
        inset 0 1px 0 rgba(255, 255, 255, 0.92);
    overflow: hidden;
    isolation: isolate;
}

.demo-preview__placeholder-box::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(rgba(125, 139, 156, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(125, 139, 156, 0.06) 1px, transparent 1px);
    background-size: 2.2rem 2.2rem;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.48), rgba(0, 0, 0, 0.08));
    pointer-events: none;
    z-index: 0;
}

.demo-preview__placeholder-box::after {
    content: "";
    position: absolute;
    inset: 7%;
    border-radius: clamp(1.1rem, 1.6vw, 1.65rem);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.86) 0%, rgba(244, 247, 250, 0.98) 100%);
    box-shadow:
        0 20px 46px rgba(27, 37, 48, 0.10),
        inset 0 1px 0 rgba(255, 255, 255, 0.92);
    z-index: 1;
}

.demo-preview__placeholder-label {
    position: relative;
    z-index: 5;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.65rem;
    padding: 0.8rem 1.1rem;
    border: 1px solid rgba(125, 139, 156, 0.15);
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.8);
    box-shadow: 0 14px 30px rgba(27, 37, 48, 0.06);
    color: #566273;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-align: center;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* UI composition inside preview */
.demo-preview__placeholder-box .demo-preview__placeholder-label + * {
    position: relative;
    z-index: 2;
}

.demo-preview__placeholder-box > .demo-preview__placeholder-label {
    transform: translateY(7.2rem);
}

.demo-preview__placeholder-box > .demo-preview__placeholder-label::before,
.demo-preview__placeholder-box > .demo-preview__placeholder-label::after {
    content: "";
    position: absolute;
    inset: auto auto;
}

.demo-preview__placeholder-box > .demo-preview__placeholder-label::before {
    left: 50%;
    top: -11.2rem;
    transform: translateX(-50%);
    width: min(84%, 29rem);
    height: 9.8rem;
    border: 1px solid rgba(125, 139, 156, 0.12);
    border-radius: 1.4rem;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.92) 0%, rgba(247, 249, 251, 0.98) 100%);
    box-shadow:
        0 14px 32px rgba(27, 37, 48, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.94);
}

.demo-preview__placeholder-box > .demo-preview__placeholder-label::after {
    left: 50%;
    top: -9.65rem;
    transform: translateX(-50%);
    width: min(74%, 24rem);
    height: 0.72rem;
    border-radius: 999px;
    background: linear-gradient(
        90deg,
        rgba(125, 139, 156, 0.18) 0%,
        rgba(125, 139, 156, 0.42) 50%,
        rgba(125, 139, 156, 0.18) 100%
    );
    box-shadow:
        0 2.25rem 0 -0.15rem rgba(125, 139, 156, 0.20),
        0 4.3rem 0 -0.15rem rgba(125, 139, 156, 0.16),
        0 6.35rem 0 -0.15rem rgba(125, 139, 156, 0.13);
}

.demo-preview__placeholder-box {
    background-image:
        radial-gradient(circle at 18% 18%, rgba(255, 255, 255, 0.8), transparent 20%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.74) 0%, rgba(242, 245, 248, 0.94) 100%);
}


/* =========================
   CTA
   ========================= */

.demo-page__cta {
    position: relative;
    padding-top: clamp(0.5rem, 1vw, 0.8rem);
}

.demo-page__cta-content {
    display: grid;
    gap: 1rem;
    justify-items: center;
    text-align: center;
    width: min(100%, 66rem);
    margin: 0 auto;
    padding: clamp(1.4rem, 2vw, 1.8rem);
    border: 1px solid rgba(125, 139, 156, 0.14);
    border-radius: clamp(1.55rem, 2.2vw, 2rem);
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.74) 0%, rgba(245, 246, 248, 0.54) 100%);
    box-shadow:
        0 18px 46px rgba(27, 37, 48, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.demo-page__cta-eyebrow {
    justify-self: center;
}

.demo-page__cta-title {
    max-width: 21ch;
    font-size: clamp(1.9rem, 3vw, 3.2rem);
}

.demo-page__cta-text {
    max-width: 72ch;
}


/* =========================
   Responsive
   ========================= */

@media (max-width: 767px) {
    .demo-page {
        padding-top: 1.2rem;
        padding-bottom: 4rem;
    }

    .demo-page__hero,
    .demo-preview {
        padding: 1.15rem;
        border-radius: 1.5rem;
    }

    .demo-page__title {
        max-width: 12ch;
        font-size: clamp(2rem, 10vw, 2.95rem);
    }

    .demo-page__intro-title,
    .demo-page__cta-title,
    .demo-preview__title {
        max-width: 13ch;
    }

    .demo-page__intro-content,
    .demo-page__cta-content {
        width: 100%;
    }

    .demo-page__intro-text,
    .demo-page__cta-text,
    .demo-page__text,
    .demo-preview__text {
        max-width: 100%;
    }

    .demo-preview__placeholder-box {
        min-height: 19rem;
    }

    .demo-preview__placeholder-box::after {
        inset: 8%;
    }

    .demo-preview__placeholder-box > .demo-preview__placeholder-label {
        transform: translateY(6rem);
        max-width: 82%;
    }

    .demo-preview__placeholder-box > .demo-preview__placeholder-label::before {
        top: -9.5rem;
        height: 8.3rem;
        border-radius: 1.1rem;
    }

    .demo-preview__placeholder-box > .demo-preview__placeholder-label::after {
        top: -8.15rem;
    }
}

@media (min-width: 768px) {
    .demo-page__hero {
        grid-template-columns: minmax(0, 1.12fr) minmax(18rem, 0.88fr);
        align-items: end;
        gap: 1.5rem 2rem;
    }

    .demo-page__eyebrow {
        grid-column: 1 / -1;
    }

    .demo-page__title {
        grid-column: 1 / 2;
    }

    .demo-page__text {
        grid-column: 2 / 3;
        margin-left: auto;
        align-self: end;
    }

    .demo-features__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .demo-feature-card:nth-child(3) {
        grid-column: 1 / -1;
    }

    .demo-preview {
        grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
        align-items: center;
    }
}

@media (min-width: 1024px) {
    .demo-page {
        padding-top: 1.6rem;
        padding-bottom: clamp(5.2rem, 8vw, 8.5rem);
    }

    .demo-page__inner {
        gap: 1.6rem;
    }

    .demo-page__hero {
        grid-template-columns: minmax(0, 1.18fr) minmax(22rem, 0.82fr);
        padding: clamp(1.55rem, 2vw, 2rem);
    }

    .demo-page__intro-content {
        width: min(100%, 72rem);
    }

    .demo-page__intro-title {
        max-width: 22ch;
        font-size: clamp(2.25rem, 2.7vw, 3.8rem);
    }

    .demo-page__intro-text {
        max-width: 76ch;
    }

    .demo-features__grid {
        grid-template-columns: repeat(12, minmax(0, 1fr));
        gap: 1.1rem;
    }

    .demo-feature-card:nth-child(1) {
        grid-column: span 4;
    }

    .demo-feature-card:nth-child(2) {
        grid-column: span 4;
        transform: translateY(1.6rem);
    }

    .demo-feature-card:nth-child(3) {
        grid-column: span 4;
        transform: translateY(0.5rem);
    }

    .demo-feature-card:hover {
        transform: translateY(-6px);
    }

    .demo-feature-card:nth-child(2):hover {
        transform: translateY(calc(1.6rem - 6px));
    }

    .demo-feature-card:nth-child(3):hover {
        transform: translateY(calc(0.5rem - 6px));
    }

    .demo-preview {
        grid-template-columns: minmax(20rem, 0.82fr) minmax(30rem, 1.18fr);
        gap: clamp(1.6rem, 2.4vw, 2.4rem);
        padding: clamp(1.55rem, 2vw, 2rem);
    }

    .demo-page__cta-content {
        width: min(100%, 74rem);
        padding: clamp(1.55rem, 2vw, 2rem);
    }

    .demo-page__cta-title {
        max-width: 23ch;
        font-size: clamp(2.2rem, 2.7vw, 3.7rem);
    }

    .demo-page__cta-text {
        max-width: 76ch;
    }
}

@media (min-width: 1440px) {
    .demo-page__hero,
    .demo-preview {
        border-radius: 3rem;
    }

    .demo-feature-card {
        border-radius: 2rem;
    }

    .demo-preview__placeholder-box {
        min-height: 35rem;
        border-radius: 2.15rem;
    }

    .demo-preview__placeholder-box::after {
        border-radius: 1.8rem;
    }

    .demo-page__title {
        font-size: clamp(3rem, 3.9vw, 5.1rem);
    }

    .demo-page__intro-title {
        font-size: clamp(2.5rem, 2.5vw, 4rem);
    }

    .demo-preview__title {
        font-size: clamp(2.4rem, 2.6vw, 3.9rem);
    }

    .demo-page__cta-title {
        font-size: clamp(2.45rem, 2.5vw, 3.9rem);
    }
}